src/cpu/x86/vm/register_x86.hpp

Wed, 17 Jun 2015 17:48:25 -0700

author
ascarpino
date
Wed, 17 Jun 2015 17:48:25 -0700
changeset 9788
44ef77ad417c
parent 3882
8c92982cbbc4
child 6876
710a3c8b516e
permissions
-rw-r--r--

8073108: Use x86 and SPARC CPU instructions for GHASH acceleration
Reviewed-by: kvn, jrose, phh

duke@435 1 /*
kvn@3882 2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef CPU_X86_VM_REGISTER_X86_HPP
stefank@2314 26 #define CPU_X86_VM_REGISTER_X86_HPP
stefank@2314 27
stefank@2314 28 #include "asm/register.hpp"
stefank@2314 29 #include "vm_version_x86.hpp"
stefank@2314 30
duke@435 31 class VMRegImpl;
duke@435 32 typedef VMRegImpl* VMReg;
duke@435 33
duke@435 34 // Use Register as shortcut
duke@435 35 class RegisterImpl;
duke@435 36 typedef RegisterImpl* Register;
duke@435 37
duke@435 38
duke@435 39 // The implementation of integer registers for the ia32 architecture
duke@435 40 inline Register as_Register(int encoding) {
duke@435 41 return (Register)(intptr_t) encoding;
duke@435 42 }
duke@435 43
duke@435 44 class RegisterImpl: public AbstractRegisterImpl {
duke@435 45 public:
duke@435 46 enum {
duke@435 47 #ifndef AMD64
duke@435 48 number_of_registers = 8,
duke@435 49 number_of_byte_registers = 4
duke@435 50 #else
duke@435 51 number_of_registers = 16,
duke@435 52 number_of_byte_registers = 16
duke@435 53 #endif // AMD64
duke@435 54 };
duke@435 55
duke@435 56 // derived registers, offsets, and addresses
duke@435 57 Register successor() const { return as_Register(encoding() + 1); }
duke@435 58
duke@435 59 // construction
duke@435 60 inline friend Register as_Register(int encoding);
duke@435 61
duke@435 62 VMReg as_VMReg();
duke@435 63
duke@435 64 // accessors
duke@435 65 int encoding() const { assert(is_valid(), "invalid register"); return (intptr_t)this; }
duke@435 66 bool is_valid() const { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; }
duke@435 67 bool has_byte_register() const { return 0 <= (intptr_t)this && (intptr_t)this < number_of_byte_registers; }
duke@435 68 const char* name() const;
duke@435 69 };
duke@435 70
duke@435 71 // The integer registers of the ia32/amd64 architecture
duke@435 72
duke@435 73 CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1));
duke@435 74
duke@435 75
duke@435 76 CONSTANT_REGISTER_DECLARATION(Register, rax, (0));
duke@435 77 CONSTANT_REGISTER_DECLARATION(Register, rcx, (1));
duke@435 78 CONSTANT_REGISTER_DECLARATION(Register, rdx, (2));
duke@435 79 CONSTANT_REGISTER_DECLARATION(Register, rbx, (3));
duke@435 80 CONSTANT_REGISTER_DECLARATION(Register, rsp, (4));
duke@435 81 CONSTANT_REGISTER_DECLARATION(Register, rbp, (5));
duke@435 82 CONSTANT_REGISTER_DECLARATION(Register, rsi, (6));
duke@435 83 CONSTANT_REGISTER_DECLARATION(Register, rdi, (7));
duke@435 84 #ifdef AMD64
duke@435 85 CONSTANT_REGISTER_DECLARATION(Register, r8, (8));
duke@435 86 CONSTANT_REGISTER_DECLARATION(Register, r9, (9));
duke@435 87 CONSTANT_REGISTER_DECLARATION(Register, r10, (10));
duke@435 88 CONSTANT_REGISTER_DECLARATION(Register, r11, (11));
duke@435 89 CONSTANT_REGISTER_DECLARATION(Register, r12, (12));
duke@435 90 CONSTANT_REGISTER_DECLARATION(Register, r13, (13));
duke@435 91 CONSTANT_REGISTER_DECLARATION(Register, r14, (14));
duke@435 92 CONSTANT_REGISTER_DECLARATION(Register, r15, (15));
duke@435 93 #endif // AMD64
duke@435 94
duke@435 95 // Use FloatRegister as shortcut
duke@435 96 class FloatRegisterImpl;
duke@435 97 typedef FloatRegisterImpl* FloatRegister;
duke@435 98
duke@435 99 inline FloatRegister as_FloatRegister(int encoding) {
duke@435 100 return (FloatRegister)(intptr_t) encoding;
duke@435 101 }
duke@435 102
duke@435 103 // The implementation of floating point registers for the ia32 architecture
duke@435 104 class FloatRegisterImpl: public AbstractRegisterImpl {
duke@435 105 public:
duke@435 106 enum {
duke@435 107 number_of_registers = 8
duke@435 108 };
duke@435 109
duke@435 110 // construction
duke@435 111 inline friend FloatRegister as_FloatRegister(int encoding);
duke@435 112
duke@435 113 VMReg as_VMReg();
duke@435 114
duke@435 115 // derived registers, offsets, and addresses
duke@435 116 FloatRegister successor() const { return as_FloatRegister(encoding() + 1); }
duke@435 117
duke@435 118 // accessors
duke@435 119 int encoding() const { assert(is_valid(), "invalid register"); return (intptr_t)this; }
duke@435 120 bool is_valid() const { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; }
duke@435 121 const char* name() const;
duke@435 122
duke@435 123 };
duke@435 124
duke@435 125 // Use XMMRegister as shortcut
duke@435 126 class XMMRegisterImpl;
duke@435 127 typedef XMMRegisterImpl* XMMRegister;
duke@435 128
duke@435 129 // Use MMXRegister as shortcut
duke@435 130 class MMXRegisterImpl;
duke@435 131 typedef MMXRegisterImpl* MMXRegister;
duke@435 132
duke@435 133 inline XMMRegister as_XMMRegister(int encoding) {
duke@435 134 return (XMMRegister)(intptr_t)encoding;
duke@435 135 }
duke@435 136
duke@435 137 inline MMXRegister as_MMXRegister(int encoding) {
duke@435 138 return (MMXRegister)(intptr_t)encoding;
duke@435 139 }
duke@435 140
duke@435 141 // The implementation of XMM registers for the IA32 architecture
duke@435 142 class XMMRegisterImpl: public AbstractRegisterImpl {
duke@435 143 public:
duke@435 144 enum {
duke@435 145 #ifndef AMD64
duke@435 146 number_of_registers = 8
duke@435 147 #else
duke@435 148 number_of_registers = 16
duke@435 149 #endif // AMD64
duke@435 150 };
duke@435 151
duke@435 152 // construction
duke@435 153 friend XMMRegister as_XMMRegister(int encoding);
duke@435 154
duke@435 155 VMReg as_VMReg();
duke@435 156
duke@435 157 // derived registers, offsets, and addresses
duke@435 158 XMMRegister successor() const { return as_XMMRegister(encoding() + 1); }
duke@435 159
duke@435 160 // accessors
kvn@3882 161 int encoding() const { assert(is_valid(), err_msg("invalid register (%d)", (int)(intptr_t)this )); return (intptr_t)this; }
duke@435 162 bool is_valid() const { return 0 <= (intptr_t)this && (intptr_t)this < number_of_registers; }
duke@435 163 const char* name() const;
duke@435 164 };
duke@435 165
duke@435 166
duke@435 167 // The XMM registers, for P3 and up chips
duke@435 168 CONSTANT_REGISTER_DECLARATION(XMMRegister, xnoreg , (-1));
duke@435 169 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm0 , ( 0));
duke@435 170 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm1 , ( 1));
duke@435 171 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm2 , ( 2));
duke@435 172 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm3 , ( 3));
duke@435 173 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm4 , ( 4));
duke@435 174 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm5 , ( 5));
duke@435 175 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm6 , ( 6));
duke@435 176 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm7 , ( 7));
duke@435 177 #ifdef AMD64
duke@435 178 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm8, (8));
duke@435 179 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm9, (9));
duke@435 180 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm10, (10));
duke@435 181 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm11, (11));
duke@435 182 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm12, (12));
duke@435 183 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm13, (13));
duke@435 184 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm14, (14));
duke@435 185 CONSTANT_REGISTER_DECLARATION(XMMRegister, xmm15, (15));
duke@435 186 #endif // AMD64
duke@435 187
duke@435 188 // Only used by the 32bit stubGenerator. These can't be described by vmreg and hence
duke@435 189 // can't be described in oopMaps and therefore can't be used by the compilers (at least
duke@435 190 // were deopt might wan't to see them).
duke@435 191
duke@435 192 // The MMX registers, for P3 and up chips
duke@435 193 CONSTANT_REGISTER_DECLARATION(MMXRegister, mnoreg , (-1));
duke@435 194 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx0 , ( 0));
duke@435 195 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx1 , ( 1));
duke@435 196 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx2 , ( 2));
duke@435 197 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx3 , ( 3));
duke@435 198 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx4 , ( 4));
duke@435 199 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx5 , ( 5));
duke@435 200 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx6 , ( 6));
duke@435 201 CONSTANT_REGISTER_DECLARATION(MMXRegister, mmx7 , ( 7));
duke@435 202
duke@435 203
duke@435 204 // Need to know the total number of registers of all sorts for SharedInfo.
duke@435 205 // Define a class that exports it.
duke@435 206 class ConcreteRegisterImpl : public AbstractRegisterImpl {
duke@435 207 public:
duke@435 208 enum {
duke@435 209 // A big enough number for C2: all the registers plus flags
duke@435 210 // This number must be large enough to cover REG_COUNT (defined by c2) registers.
duke@435 211 // There is no requirement that any ordering here matches any ordering c2 gives
duke@435 212 // it's optoregs.
duke@435 213
duke@435 214 number_of_registers = RegisterImpl::number_of_registers +
duke@435 215 #ifdef AMD64
duke@435 216 RegisterImpl::number_of_registers + // "H" half of a 64bit register
duke@435 217 #endif // AMD64
duke@435 218 2 * FloatRegisterImpl::number_of_registers +
kvn@3882 219 8 * XMMRegisterImpl::number_of_registers +
duke@435 220 1 // eflags
duke@435 221 };
duke@435 222
duke@435 223 static const int max_gpr;
duke@435 224 static const int max_fpr;
duke@435 225 static const int max_xmm;
duke@435 226
duke@435 227 };
stefank@2314 228
stefank@2314 229 #endif // CPU_X86_VM_REGISTER_X86_HPP

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